That sounds interesting. Did you know that running as a term encompasses all speeds? So jogging and sprinting are both examples.
Running is hard for me, I prefer to jog and I definitely cannot sprint!
I love running for exercise!  I feel so good after a long run!
The term running can refer to any of a variety of speeds ranging from jogging to sprinting.
Я люблю бегать для тренировки!  Я так хорошо себя чувствую после долгой пробежки!
Термин "бег" может относиться к любой из различных скоростей, начиная от бега трусцой и заканчивая спринтерским бегом.